/ Dictionary / Index A arboriculture: Meaning and Definition of Find definitions for: ar•bor•i•cul•ture Pronunciation: (är'bur-i-kul"chur, är-bôr'-, -bōr'-), [key] — n. the cultivation of trees and shrubs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arboriculture (Thesaurus) arboretum arborio Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language